code: def test_map_feature(self):
      g = geojson.Feature(
          id="123", geometry=geojson.Point([-115.81, 37.24])
      )
      result = map_coords(lambda x: x, g)
      self.assertEqual(result["type"], "Feature")
      self.assertEqual(result["id"], "123")
      self.assertEqual(
          result["geometry"]["coordinates"], (-115.81, 37.24)
      )
  
file_path: geojson/tests/test_coords.py
imports: import unittest
  import geojson
  from geojson.utils import coords, map_coords
label_desc: Use image node_id 12 for calling the CoordsTestCase obj's underlying member method code with example usage: obj.test_map_feature() without return types